CVE-2020-12651

CRITICAL EPSS 93.0%
Published May 15, 20206y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published May 15, 2020 6y ago
Last Modified Jun 17, 2026 2w ago

Description

SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
93.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 6

VendorProductVersionRange
vandykesecurecrt* <8.7.2
applemacos*any
linuxlinux_kernel*any
microsoftwindows*any
vandykesecurecrt* <2.4
appleiphone_os*any

References 4

  • bugs.chromium.org https://bugs.chromium.org/p/project-zero/issues/detail?id=2033
    ExploitThird Party Advisory
  • twitter.com https://twitter.com/taviso/status/1261079774190919680
    Third Party Advisory
  • vandyke.com https://www.vandyke.com/products/securecrt/history.txt
    Release NotesVendor Advisory
  • vandyke.com https://www.vandyke.com/support/advisory/index.html
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.